CA2116071A1 - Thermostatic Control Valve with Fluid Mixing and Non-Linear Response Characteristics - Google Patents

Thermostatic Control Valve with Fluid Mixing and Non-Linear Response Characteristics

Info

Publication number
CA2116071A1
CA2116071A1 CA2116071A CA2116071A CA2116071A1 CA 2116071 A1 CA2116071 A1 CA 2116071A1 CA 2116071 A CA2116071 A CA 2116071A CA 2116071 A CA2116071 A CA 2116071A CA 2116071 A1 CA2116071 A1 CA 2116071A1
Authority
CA
Canada
Prior art keywords
mixing
fluid
dome
valve assembly
temperature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2116071A
Other languages
French (fr)
Other versions
CA2116071C (en
Inventor
Kevin B. Kline
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lawler Manufacturing Co Inc
Original Assignee
Lawler Manufacturing Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21799661&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2116071(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Lawler Manufacturing Co Inc filed Critical Lawler Manufacturing Co Inc
Publication of CA2116071A1 publication Critical patent/CA2116071A1/en
Application granted granted Critical
Publication of CA2116071C publication Critical patent/CA2116071C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/01—Control of temperature without auxiliary power
    • G05D23/13—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures
    • G05D23/1306—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids
    • G05D23/132—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids with temperature sensing element
    • G05D23/134—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids with temperature sensing element measuring the temperature of mixed fluid
    • G05D23/1346—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids with temperature sensing element measuring the temperature of mixed fluid with manual temperature setting means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S236/00—Automatic temperature and humidity regulation
    • Y10S236/07—Coil bulb

Abstract

A thermostatic control valve assembly for use in continuously mixing a hot first fluid with a cold second fluid to continuously produce a mixed fluid at a constant temperature. The valve assembly includes an improved baffled mixing dome defining a mixing chamber that facilitates thorough mixing of the hot and cold fluids over a wide range of flow rates. Also included is an improved multiple response thermostat having a fast response rate adjacent to the entrance of the mixing dome for responding quickly to the temperature of fluid entering the mixing dome. The valve assembly further includes a piston/cylinder configuration which covers and uncovers internal passageways to control the mixed fluid temperature. The internal passageways are shaped to cause a non-linear change in the mixed fluid temperature in the mixing dome as the piston moves in the cylinder.
CA002116071A 1993-02-22 1994-02-21 Thermostatic control valve with fluid mixing and non-linear response characteristics Expired - Lifetime CA2116071C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/020,622 US5323960A (en) 1991-03-04 1993-02-22 Thermostatic control valve with fluid mixing and non-linear response characteristics
US08/020,622 1993-02-22

Publications (2)

Publication Number Publication Date
CA2116071A1 true CA2116071A1 (en) 1994-08-23
CA2116071C CA2116071C (en) 1998-05-05

Family

ID=21799661

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002116071A Expired - Lifetime CA2116071C (en) 1993-02-22 1994-02-21 Thermostatic control valve with fluid mixing and non-linear response characteristics

Country Status (2)

Country Link
US (2) US5323960A (en)
CA (1) CA2116071C (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69612135T2 (en) * 1995-05-19 2001-09-06 Siemens Automotive Corp Lp Air-assisted injector and surrounding bushing of the valve
US5647531A (en) * 1996-06-21 1997-07-15 Lawler Manufacturing Thermostatic control valve system for use in emergency shower and eyewash systems
US6079625A (en) * 1998-09-04 2000-06-27 Honeywell International, Inc. Thermostatic mixing valve
US6315210B1 (en) 1998-10-02 2001-11-13 Lawler Manufacturing Co., Inc. Thermostatic mixing valve
US6119947A (en) * 1999-01-05 2000-09-19 Symmons Industries, Inc. Tempered water mixing system
DE10006374A1 (en) * 2000-02-12 2001-08-16 Hansgrohe Ag Thermostatic valve for sanitary fittings
US6405932B1 (en) * 2001-03-01 2002-06-18 Strahman Valves, Inc. Hot water temperature control valve system
DE10114357A1 (en) * 2001-03-22 2002-09-26 Hansgrohe Ag Thermostatically controlled mixer valve for use in sanitary tapware/appliances, has expansion element affected by mixing water temperature and valve body moved by this element for controlling hot/cold water inlets
WO2003019315A1 (en) * 2001-08-24 2003-03-06 Lawler Manufacturing Co., Inc. Mixing valve
US7717351B2 (en) * 2001-08-24 2010-05-18 Margarl, LLC Mixing valve
US6637668B2 (en) * 2001-10-24 2003-10-28 Magarl, Llc Thermostatic control valve with fluid mixing
GB0211317D0 (en) * 2002-05-17 2002-06-26 Kohler Mira Ltd Improvements in or relating to ablutionary water supply installations
US7240850B2 (en) * 2002-06-26 2007-07-10 Kohler Mira Limited Thermostatic mixing valve
US6676024B1 (en) 2002-09-05 2004-01-13 Masco Corporation Thermostatic valve with electronic control
US6926205B2 (en) * 2003-12-15 2005-08-09 Conbraco Industries, Inc. Fluid supply failure protection valve
US6929188B2 (en) * 2004-01-08 2005-08-16 Conbraco Industries, Inc. Variable flow fluid tempering valve
US7744007B2 (en) * 2004-11-01 2010-06-29 Honeywell International Inc. Thermostatic mixing valves and systems
US7913926B2 (en) * 2006-02-17 2011-03-29 Watts Water Technologies, Inc. Thermostatic mixing valve
US8733666B2 (en) 2008-11-18 2014-05-27 Honeywell International Inc. Thermostatic mixing valve with tamper resistant adjustment feature
US9268342B2 (en) 2011-06-15 2016-02-23 General Electric Company Water heater with integral thermal mixing valve assembly and method
CA2792798C (en) 2011-10-22 2022-04-12 Magarl, Llc Methods and apparatus for creating turbulence in a thermostatic mixing valve
US11060628B2 (en) 2018-05-16 2021-07-13 Bradley Fixtures Corporation Housing for multiple mixing valves
USD886236S1 (en) 2018-05-16 2020-06-02 Bradley Fixtures Corporation Housing for multiple valves

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE19488E (en) * 1935-03-05 Hot water temperature regulator
US1915867A (en) * 1931-05-01 1933-06-27 Edward R Penick Choker
US2125245A (en) * 1935-06-28 1938-07-26 Texas Co Emulsion apparatus
US2211672A (en) * 1936-12-10 1940-08-13 Fulton Sylphon Co Differential regulator
US2203130A (en) * 1938-12-16 1940-06-04 Patrick J Costello Beer energizer
US2855151A (en) * 1955-03-23 1958-10-07 Robertshaw Fulton Controls Co Mixing valve
US3361412A (en) * 1964-05-06 1968-01-02 Austin Cole Foam mixing head
FR1574140A (en) * 1968-05-07 1969-07-11
NL8303350A (en) * 1982-11-06 1984-06-01 Kernforschungsz Karlsruhe STATIC MIXER.
US5203496A (en) * 1991-03-04 1993-04-20 Lawler Manufacturing Co., Inc. Thermostatic control valve with fluid mixing

Also Published As

Publication number Publication date
CA2116071C (en) 1998-05-05
USRE44273E1 (en) 2013-06-11
US5323960A (en) 1994-06-28

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Legal Events

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EEER Examination request
MKEX Expiry

Effective date: 20140221